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Related papers: Progress in ${\cal CP}$ violating top-Higgs coupli…

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We give here an overview of recent developments in high energy physics and cosmology and their interconnections that relate to unification, and discuss prospects for the future. Thus there are currently three empirical data that point to…

High Energy Physics - Phenomenology · Physics 2018-08-08 Pran Nath

We study possible anomalous CP-violating Higgs couplings to mu mu-bar and t t-bar fully model-independent way through top-quark pair productions at muon colliders. Assuming additional non-standard neutral Higgs bosons, whose couplings with…

High Energy Physics - Phenomenology · Physics 2011-01-13 Zenro Hioki , Takuya Konishi , Kazumasa Ohkuma

The study of top quark asymmetries at the LHC provides an excellent opportunity to probe subtle differences in the production of top quarks and antiquarks made by the standard model of particle physics. In this contribution, the latest…

High Energy Physics - Experiment · Physics 2026-04-17 Nils Faltermann

The capability of the LHC to study the electromagnetic dipole moments of the top quark is discussed. In particular, the process $pp\to p\gamma\gamma p\to pt\bar{t}p$, which is supposed to be tagged by the forward/backward detectors at the…

High Energy Physics - Phenomenology · Physics 2015-07-15 Sh. Fayazbakhsh , S. Taheri Monfared , M. Mohammadi Najafabadi

Many domains of high energy physics analysis are starting to explore machine learning techniques. Powerful methods can be used to identify and measure rare processes from previously insurmountable backgrounds. One of the most profound…

High Energy Physics - Phenomenology · Physics 2020-09-16 Benjamin Tannenwald , Christopher Neu , Ang Li , Gracemarie Buehlmann , Anna Cuddeback , Leigh Hatfield , Ruhi Parvatam , Colby Thompson

We propose a new observable designed to probe CP-violating coupling of the Higgs boson to W bosons using associated Higgs production. We define an asymmetry that measures the number of leptons from W decays relative to the plane defined by…

High Energy Physics - Phenomenology · Physics 2014-02-19 Cédric Delaunay , Gilad Perez , Hiroshi de Sandes , Witold Skiba

The Large Hadron Collider provides a unique opportunity to study quantum entanglement and violation of Bell inequalities at the highest energy available today. In this paper, we will investigate these quantum correlations with top quark…

High Energy Physics - Phenomenology · Physics 2024-07-08 Zhongtian Dong , Dorival Gonçalves , Kyoungchul Kong , Alberto Navarro

Constraining the Higgs boson properties is a cornerstone of the LHC program and future colliders. In this Snowmass contribution, we study the potential to directly probe the Higgs-top CP-structure via the $t\bar{t}h$ production at the…

At the Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN), protons and heavy ions are accelerated to velocities close to the speed of light and collided in order to study particle interactions and give us…

High Energy Physics - Experiment · Physics 2019-05-16 Jory Sonneveld

It is important to provide guidance on whether CP violation may be measurable in top-quark production at the Large Hadron Collider. The present work extends an earlier analysis of the non-supersymmetric Two-Higgs-Doublet Model in this…

High Energy Physics - Phenomenology · Physics 2008-11-26 Abdul Wahab El Kaffas , Wafaa Khater , Odd Magne Ogreid , Per Osland

The measure of the triple Higgs coupling is one of the major goals of the high-luminosity run of the CERN Large Hadron Collider (HL-LHC) as well as the future colliders, either leptonic such as the International Linear Collider (ILC) or…

High Energy Physics - Phenomenology · Physics 2017-04-11 Julien Baglio , Cédric Weiland

LHCb is the heavy flavour precision experiment of the proton-proton Large Hadron Collider (LHC) at CERN. It will search for new physics in CP violation and rare decays and is ready for the start-up of the LHC. An overview of its physics…

High Energy Physics - Experiment · Physics 2019-08-13 Pascal Perret

The top quark is the heaviest elementary particle known and its mass ($m_{\rm top}$) is a fundamental parameter of the Standard Model (SM). The $m_{\rm top}$ value affects theory predictions of particle production cross-sections required…

High Energy Physics - Experiment · Physics 2015-10-16 Giorgio Cortiana

We study top quark pair production in association with a Z boson at the Large Hadron Collider (LHC) and investigate the prospects of measuring the couplings of top quarks to the Z boson. To date these couplings have not been constrained in…

High Energy Physics - Phenomenology · Physics 2015-08-26 Raoul Röntsch , Markus Schulze

Study of the production of pairs of top quarks in association with a Higgs boson is one of the primary goals of the Large Hadron Collider over the next decade, as measurements of this process may help us to understand whether the uniquely…

High Energy Physics - Experiment · Physics 2017-04-26 Roberto Santos , Marcus Nguyen , Jordan Webster , Soo Ryu , Jahred Adelman , Sergei Chekanov , Jie Zhou

After the discovery of the top quark more than 20 years ago, top quark production cross sections have been meticulously studied. The rich variety of results from the LHC experiments are complemented with increasingly accurate theoretical…

High Energy Physics - Experiment · Physics 2018-01-26 Georgios Konstantinos Krintiras

One of the most challenging tasks for future high-luminosity electron-positron colliders is to extract Higgs triple coupling. It was proposed that this can be carried out via the precisely measuring the cross section of ZH associated…

High Energy Physics - Phenomenology · Physics 2015-11-11 Chen Shen , Shou-hua Zhu

In this talk I review how to search for CP violation in top-quark pair production and decay using T-odd correlations. I discuss two examples which illustrate many of the relevant features: CP violation in a heavy neutral Higgs boson; and CP…

High Energy Physics - Phenomenology · Physics 2022-03-02 German Valencia

We propose a novel approach of probing grand unification through precise measurements on the Higgs Yukawa couplings at the LHC. This idea is well motivated by the appearance of effective operators not suppressed by the mass scale of…

High Energy Physics - Phenomenology · Physics 2020-06-24 Sibo Zheng

The LHC experiments have analyzed the 7 and 8 TeV LHC data in the main Higgs production and decay modes. Current analyses only loosely constrain an anomalous top-Higgs coupling in a direct way. In order to strongly constrain this coupling,…

High Energy Physics - Phenomenology · Physics 2013-09-27 Sanjoy Biswas , Emidio Gabrielli , Fabrizio Margaroli , Barbara Mele